我已經使用下面的代碼來播放圖片動畫。但點擊按鈕後,動畫無法播放。注意:我已將rotator.xml放在res/anim文件夾中。圖片動畫無法播放
AnimationActivity.java
package com.example.animationdemo;
import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;
public class AnimationActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_animation);
((Button)findViewById(R.id.button1)).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
final ImageView myImage = (ImageView)findViewById(R.id.imageView1);
final Animation myRotation = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.rotator);
myImage.startAnimation(myRotation);
}
});
}
}
rotator.xml:
<rotate xmlns:android="」http://schemas.android.com/apk/res/android」">
android:duration="」4000」"
android:fromdegrees="」0」"
android:pivotx="」50%」"
android:pivoty="」50%」"
android:todegrees="」360」"
android:toyscale="」0.0」"
</rotate>
activity_animation.xml:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".AnimationActivity" >
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="51dp"
android:layout_marginTop="95dp"
android:src="@drawable/ic_launcher" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_marginBottom="109dp"
android:layout_toRightOf="@+id/imageView1"
android:text="OK" />
</RelativeLayout>
AndroidManifest.xml中
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.animationdemo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.animationdemo.AnimationActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
在rotator.xml中:爲什麼您提供的是全部「」「」提供像我提供的android:fromdegrees =「0」.. –